![]() ![]() Why do you think you have to wear gloves and goggles?.The paper must be dry since the experiment will not work with wet or damp paper.Hang your paper up using the string line and pegs in a darkened area to dry. Hang it up to dry out in a dark part of the laboratory or store it lying flat in a dark drawer. Allow the excess solution to drip into the tray before placing it wet side up onto some newspaper on a desk. Put a piece of white A4 paper into the liquid just long enough to get it damp - not wet! Place a piece of A4 paper onto the liquid in the tray, then lift the paper out of the tray by the two corners nearest to you.Move the tray gently to get the liquid to cover the base of the tray properly. Mix the two liquids together, and pour them into a tray.Do steps 10–12 in a dark part of the lab. ![]()
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